2155023235 has 8 divisors (see below), whose sum is σ = 2587713120. Its totient is φ = 1722895104.

The previous prime is 2155023223. The next prime is 2155023253. The reversal of 2155023235 is 5323205512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2155023235 - 2¹⁹ = 2154498947 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131950 + ... + 147379.

It is an arithmetic number, because the mean of its divisors is an integer number (323464140).

Almost surely, 2^2155023235 is an apocalyptic number.

2155023235 is a deficient number, since it is larger than the sum of its proper divisors (432689885).

2155023235 is a wasteful number, since it uses less digits than its factorization.

2155023235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280877.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 2155023235 is about 46422.2278116852. The cubic root of 2155023235 is about 1291.6672621202.

Adding to 2155023235 its reverse (5323205512), we get a palindrome (7478228747).

The spelling of 2155023235 in words is "two billion, one hundred fifty-five million, twenty-three thousand, two hundred thirty-five".